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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )
apply_filters( "hook_name", "what_to_filter" )
.Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
Line | Code |
---|---|
1255 |
|
1256 | $this->escape($args); |
1257 |
|
1258 | $blog_id = (int) $args[0]; |
1259 | $username = $args[1]; |
1260 | $password = $args[2]; |
1261 | $post = $args[3]; |
1262 | $content_struct = $args[4]; |
1263 |
|
1264 | $allow_anon = apply_filters('xmlrpc_allow_anonymous_comments', false); |
1265 |
|
1266 | $user = $this->login($username, $password); |
1267 |
|
1268 | if ( !$user ) { |
1269 | $logged_in = false; |
1270 | if ( $allow_anon && get_option('comment_registration') ) |
1271 | return new IXR_Error( 403, __( 'You must be registered to comment' ) ); |
1272 | else if ( !$allow_anon ) |
1273 | return $this->error; |